Refratechnik Cement GmbH
LEI
529900P887LAMDZQE261
Registered name
Refratechnik Cement GmbH
Jurisdiction
DE
Ultimate parent
Refratechnik Holding GmbH
5299008ED5FJ2IF3HY27
Cluster stats
Netblocks13
All fragments 15 blocks across 3 clusters
Cluster ID191909998
RegistryAPNIC
Owner jurisdictionDE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 529900P887LAMDZQE261
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-07-06

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
93.189.159.192/29 Refratechnik Cement GmbH RIPE ASSIGNED PA ● high
193.28.50.0/24 Refratechnik Cement GmbH RIPE ASSIGNED PI ● high
195.243.9.136/29 Refratechnik Cement GmbH RIPE ASSIGNED PA ● high
217.6.69.160/27 Refratechnik Cement GmbH RIPE ASSIGNED PA ● high
80.156.255.128/29 REFRATECHNIK-CEMENT-KRAICHTAL-NET RIPE ASSIGNED PA ● low
87.190.55.144/28 REFRATECHNIK-CEMENT-BENDORF-NET RIPE ASSIGNED PA ● low
87.190.58.112/28 REFRATECHNIK-CEMENT-DUESSELDORF-NET RIPE ASSIGNED PA ● low
91.25.83.160/28 REFRATECHNIK-CEMENT-MUENCHEN-NET RIPE ASSIGNED PA ● low
220.241.72.208/29 REFRATECHNIK-HK APNIC ASSIGNED NON-PORTABLE ● low
2003:5a:a03b::/48 REFRATECHNIK-CEMENT-KRAICHTAL-NET RIPE ASSIGNED ● low
2003:df:1015::/48 REFRATECHNIK-CEMENT-BENDORF-NET RIPE ASSIGNED ● low
2003:ec:902f::/48 REFRATECHNIK-CEMENT-MUENCHEN-NET RIPE ASSIGNED ● low
2003:ee:d012::/48 REFRATECHNIK-CEMENT-DUESSELDORF-NET RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
84.6% of checked blocks have valid RPKI ROA coverage (11 of 13)
Possible discrepancies (4)

These blocks are registered to Refratechnik Cement GmbH but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2003:df:1015::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:5a:a03b::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:ee:d012::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:ec:902f::/48 /48 authorized for AS3320 — Deutsche Telekom AG

NIC Handles

BNA2-AP DTAG-NIC DUMY-RIPE DUMY-RIPE MAINT-HK-PCCW-BIA-CS ORG-RCG4-RIPE ORG-RCG5-RIPE RIPE-NCC-END-MNT TA66-AP TXX-MNT